Numbers 1-60 don't map nicely to numbers 0-99999, so some method needs to be devised to create that map. Perhaps the simplest is to use these digits as a decimal fraction and compute
.. 1 + floor(60*N/100000)
The possibilty of collision needs to be considered. One way to deal with that is to add or subtract a constant, using the next higher available number, for example. This would give the choices {8, 27, 36, 46, 60}.
